Nucleation of the Supercooled Normal to Superconducting Phase Transition in Small Indium Spheres Induced by γ Radiation
G. Meagher, D. DiSanto, A. Kotlicki, G. Eska, B. G. Turrell
DOI 10.1103/PhysRevLett.79.285 · Physical Review Letters
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Abstract
We have observed that low energy γ rays nucleate the supercooled normal to superconducting phase transition in micron-sized indium spheres. The mechanism for the nucleation in the superconducting sphere may have similarities to some aspects of the “baked Alaska” model proposed by Leggett for liquid 3He in which cosmic rays nucleate the transition from the supercooled superfluid A phase to the B phase.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| In Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 3.4 | Pressure not reported | unknown |
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